The novel raises the question of whether happy and healthy living is a matter of choice or fate, and explores if there is any hope for people who swear that they are innately flawed.
"I took a deep breath and listened to the old brag of my heart. I am, I am, I am”, one of the most famous quotes from the novel. Plath phrases things beautifully. The tone of the novel is very consistent too. It maintains a dark vibe with a sense longing for the past.